Home Chemistry Classification of Elements and Periodicity Ionisation Energy The ionization enthalpy will be highest when…
Chemistry Classification of Elements and Periodicity Ionisation Energy Single Correct MCQ
Published on: August 12, 2026

The ionization enthalpy will be highest when the electron is to be removed from .............. if other factors are equal:

A
s-orbital
B
p-orbital
C
d-orbital
D
f-orbital

Share this question

For Instagram sharing, use “Apps” on mobile or copy the link.

Text Solution

Verified by Experts
The correct answer is:
A

The increasing order of 1 st ionization energy is f < d < p < s because of the increasing order of the penetration of the electrons as f < d < p < s if all other factors are same.

Prepare Smarter with CGP Edu

Get practice questions, solutions, and test series in one place.

Write a Review

Share your experience with this question and solution.

Commentary

Send your comment, doubt, correction, or feedback to admin.

Student Reviews

What students say about this solution

No reviews yet. Be the first to write a review.

Similar Questions

Explore conceptually related problems

CG
CGP Question Assistant Question Bank + AI Help
Hi! Type your question or upload one screenshot. First I will search related questions from CGP Edu Question Bank. If none match, type YES and I will solve it with AI.
Upload only one screenshot at a time. Flow: Question Bank first → If not matched, type YES for AI solution.